Mechanisms, models and biomarkers in amyotrophic lateral sclerosis. by Turner, M, Bowser, R, Bruijn, L, Dupuis, L, Ludolph, A, McGrath, M, Manfredi, G, Maragakis, N, Miller, R, Pullman, S, Rutkove, S, Shaw, P, Shefner, J, Fischbeck, K